| Acronym | Meaning |
| TCD | Thermal Conductivity Detector (for Gas Chromatography) |
| SRH | Spin-adapted Reduced Hamiltonian |
| BCKD | Branched-chain Alpha-ketoacid Dehydrogenase |
| CAPS | Computer-assisted Problem Solving |
| DRP | Dense Random Packing |
| WLE | Wigner-Liouville Equation (in Study Of Quantum Dynamics) |
| XCC | Expectation-value Coupled-cluster (in Correlation Energies And Electronic Properties Of Many-electron Systems Calcns.) |
| GIAO | Gage-including Atomic Orbital |
| SCLCP | Side-chain Liquid-crystalline Polymer |
| HLRW | High Level Radioactive Waste |